CVE-2017-17715 — HIGH (8.8)

Q: How severe is CVE-2017-17715?

CVE-2017-17715 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-17715?

Check the references section above for vendor advisories and patch information. Affected products include: Telegram Telegram Messenger.

Vulnerability Description

The saveFile method in MediaController.java in the Telegram Messenger application before 2017-12-08 for Android allows directory traversal via a pathname obtained in a file-transfer request from a remote peer, as demonstrated by writing to tgnet.dat or tgnet.dat.bak.

CVSS Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Telegram	Telegram Messenger	< 2017-12-08

Related Weaknesses (CWE)

CWE-22

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=1470Issue TrackingThird Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1470Issue TrackingThird Party Advisory

FAQ

What is CVE-2017-17715?

CVE-2017-17715 is a vulnerability with a CVSS score of 8.8 (HIGH). The saveFile method in MediaController.java in the Telegram Messenger application before 2017-12-08 for Android allows directory traversal via a pathname obtained in a file-transfer request from a rem...

How severe is CVE-2017-17715?

CVE-2017-17715 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17715?

Check the references section above for vendor advisories and patch information. Affected products include: Telegram Telegram Messenger.